Which of the following represents
a function?
PLEASE HELP 15 POINTS OR BRAINLIEST PLEASE HELP ME

Answer:

14

Step-by-step explanation:

Because it is :)

Answer:

b.13 hope this helps. have a good night

Answer:

Answer is D or sqrt 97

Step-by-step explanation:

Pythagorean Thereom

Use side lengths 9 and 4

a^2+b^2=c^2

9^2+4^2=81+16=97

Answer is D or sqrt 97

Pls Mark Branliest if this helped :))

Answer:

42.5 inches

Step-by-step explanation:

because you gotta divide 349 by 8 to get ye height

Answer:

i didnt get you questionnnnn?????

Answer:

I can't understand yourquestion your questions

Answer:

44

Step-by-step explanation:

6x +22 + 7x + 16 = 90

13x +38 =90

13x = 52

x = 4

7 x 4 +16 = 44

The probability that Neta is chosen first and Jinita is chosen second is:

1/56(or approximately 0.018.)

There are 8 students in class, so there are 8 choices for first person and 7 choices for second person.

Since we want to calculate probability that Neta is chosen first and Jinita is chosen second, we need to consider the number of ways in which these two students can be chosen in that order.

There is only one way for Neta to be chosen first and Jinita to be chosen second, so the total number of possible outcomes is:

8 x 7 = 56

Therefore, the probability that Neta is chosen first and Jinita is chosen second is: 1/56 or approximately 0.018.

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If the lines l1 and l2 are parallel, then the slope of line l2 is the same as the slope of line l1.

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

For which the parameters are given as follows:

When two lines are parallel, they have the same slope.

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Answer:

21 cm

Step-by-step explanation:

25-4=21

The marginal propensity to consume (MPC) for Australia in 2021, when total income (Y) is 10, is 0.3.

The consumption function for Australia in 2021 is given as C = 0.0052 + 0.3Y + 20, where C represents the total consumption and Y represents the total income. To calculate the MPC, we need to determine how much of an increase in income is consumed rather than saved. In this case, when Y = 10, we substitute the value into the consumption function:

C = 0.0052 + 0.3(10) + 20

C = 0.0052 + 3 + 20

C = 23.0052

Next, we calculate the consumption when income increases by a small amount, let's say ΔY. So, when Y increases to Y + ΔY, the consumption function becomes:

C' = 0.0052 + 0.3(Y + ΔY) + 20

C' = 0.0052 + 0.3Y + 0.3ΔY + 20

To find the MPC, we subtract the initial consumption (C) from the new consumption (C') and divide it by the change in income (ΔY):

MPC = (C' - C) / ΔY

MPC = (0.0052 + 0.3Y + 0.3ΔY + 20 - 23.0052) / ΔY

Simplifying the equation, we can cancel out the terms that don't involve ΔY:

MPC = (0.3ΔY) / ΔY

MPC = 0.3

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the expected value of gain or loss in this scenario is a loss of approximately $0.43. This means that, on average, a person would expect to lose around 43 cents each time they play the game.

The expected value of gain or loss in this scenario can be calculated by multiplying the probability of each outcome by its corresponding gain or loss, and then summing up these values. In this case, the probability of rolling a 1, 2, 3, or 4 is 4/15 (since the die has 15 sides), and the gain for rolling any of these numbers is $4.50. The probability of rolling any other number (5 to 15) is 11/15, and the loss in this case is the initial payment of $2.20.

We multiply the probability of winning by the gain and the probability of losing by the loss. So, the expected value is (4/15 * $4.50) + (11/15 * -$2.20), which simplifies to $1.20 - $1.63, resulting in an expected value of -$0.43.

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Answer:

what is the problem

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Integers found in:

A: -5, 9/3 = 3

B: 4

C: -12

Hope this helped! ^^

Answer:

\(x=14\)

Step-by-step explanation:

The diagonals of all parallelograms bisect each other. Therefore, we have the following equation:

\(2x+10=5x-32\)

Solving for \(x\):

\(2x+10=5x-32,\\42=3x,\\x=\boxed{14}\)

The sample size should be approximately 4704 to achieve a margin of error of 4 with a 95% confidence level from a population with a standard deviation of 35.

To achieve a margin of error of 4 with a 95% confidence level from a population with a standard deviation of 35, the sample size should be calculated using the formula for sample size determination in confidence intervals.

To determine the required sample size, we can use the formula:

n = \((Z \cdot \sigma / E)^2\)

where:

n = sample size

Z = Z-score corresponding to the desired confidence level (in this case, 95% confidence level)

σ = population standard deviation

E = margin of error

In this scenario, the margin of error (E) is 4, and the population standard deviation (σ) is 35.

We need to find the appropriate Z-score for a 95% confidence level.

The Z-score for a 95% confidence level is approximately 1.96.

Plugging in these values into the formula, we have:

n = \((1.96 \cdot 35 / 4)^2\)

Simplifying the equation, we get:

n = \((68.6)^2\)

n ≈ 4704

Therefore, the sample size should be approximately 4704 to achieve a margin of error of 4 with a 95% confidence level from a population with a standard deviation of 35.

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After solving the given inequality question, we will get  x < -9.

A mathematical sign for comparing two values or expressions is an inequality symbol. Inequality symbols include: (less than), > (greater than), (less than or equal to), and (greater than or equal to). Inequalities can be used to represent connections between two or more variables, for as 5 10 indicating that 5 is less than 10. Inequalities can also be used to define mathematical equations or to describe connections between variables. The equation x + 2 7 can, for example, be used to represent the relationship between x and 7, or to communicate that the value of x must be less than 5 for the equation to be true.

In the given question,

2/3x + 2y < -1/3x + 1

⇒ 2/3x + 2y - (-1/3x + 1) < 0

⇒ 5/3x + 3 < 0

⇒ 5/3x < -3

⇒ x < -9

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Answer:

Step-by-step explanation:

58%

7/12 into a percentage

Answer:

Step-by-step explanation:

The answer is postulate. That is a rule that is accepted as true without proof.

If one of the zeros in the quadratic polynomial is 4, then the value of k is 3.

A polynomial is a mathematical expression made up of coefficients and indeterminates that uses only the operations addition, subtraction, multiplication, and powers of positive integers of the variables. x2 4x + 7 is an illustration of a polynomial with a single indeterminate x. A polynomial is a mathematical expression that only uses the operations addition, subtraction, multiplication, and non-negative integer exponentiation of variables. Variables are also known as indeterminates in mathematics.

Here,

4 is a root/zero of polynomial

P(x)  =   (k-2) x²  - 2 x  - (k+5)

P(4) = 0

(k - 2) 4²  - 2 * 4 - (k+5)  = 0

15 k - 45 = 0  

k = 3

The value of k if 4 is one of the zeros of the quadratic polynomial is 3.

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Complete question:

If one of the zeros of a quadratic polynomial(k-2)x^2-2x-(k+5) is 4 , find value of k.

Answer:

D. 1/9

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 3ˣ

f(-2) is x = -2 for function f(x)

Step 2: Evaluate

If we want to provide a 99% confidence interval for the mean of a population, the confidence coefficient will be 0.99. This means that there is a 99% probability that the true population mean falls within the calculated interval.

The confidence coefficient for a confidence interval represents the level of confidence we have in our estimate.

In the case of a 99% confidence interval, the confidence coefficient is 0.99. This means that we are 99% confident that the true population mean falls within the calculated interval. The confidence coefficient is derived from the desired level of confidence, which is typically expressed as a percentage.

A higher confidence level corresponds to a larger confidence coefficient. In practical terms, a 99% confidence interval indicates that if we were to repeat the sampling process multiple times and construct 99% confidence intervals, approximately 99% of those intervals would contain the true population mean.

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Answer:

Step-by-step explanation:

Since C=2(3.14)r and D=2r

C=3.14D

C/D=3.14

Answer:

One solution

Step-by-step explanation:

You do not have an addition or subtraction sign between -16x and 5y.  I am assuming that you mean addition.

Take -4x + y = 1 and multiply it all through by -4

16x - 4y = -4  Add this to the second equation

-16x + 5y = 8

          y = 4

Substitute 4 for y in either of the two original equations.

-4x + y = 1

-4x + 4 = 1   Subtract 4 from both sides

-4x + 4 - 4 = 1 - 4

-4x = -3  Divide both sides by -4

x = \(\frac{3}{4}\)

The solution is (\(\frac{3}{4}\), 4)

Helping in the name of Jesus.

Answer:

(bd×ac)÷2

108÷2

54cm^2

Step-by-step explanation:

hope u like the ans

Answer:

54cm

Step-by-step explanation:

AC = 9cm

BD = 12 cm

Area of rhombus = 1/2 × AC × BD

= 1/2× 9×12

= 9× 6

= 54 cm

Geordi's transition from working for the government to joining an engineering firm that advocates for increased government funding is an example of the "revolving door" phenomenon.

The "revolving door" refers to the movement of individuals between government positions and jobs in the private sector that are closely related to government affairs. In this case, Geordi's shift from a government job to an engineering firm involved in lobbying for government funding reflects this phenomenon.

The revolving door can raise concerns about potential conflicts of interest and the influence of special interest groups on government policies and decisions. While Geordi's move is not inherently unethical or illegal, it highlights the close relationship between government entities and private industries, and the potential for individuals to leverage their expertise and connections for personal or corporate gain.

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In this problem, the lower limit of integral is -3 and the upper limit of integration is 3.

We can use the formula for the surface area of a solid of revolution generated by a curve revolving around a given axis. The formula is S = 2π ∫ a b y dx, where a and b are the lower and upper limits of integration, and y is the height of the curve at x. In this problem, the lower limit of integration is -3 and the upper limit of integration is 3. Substituting y = 1/16(e^8x + e^-8x) into the equation gives S = 2π ∫ -3 3 (1/16(e^8x+e^-8x)) dx. Integral this expression gives S = 10512π.

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The radius of table can be 13 inches or 73 inches.

Let r inches be the table's radius.

Make the corner the starting point or origin.

the coordinates for the table's center are as follows: (r, r).

So  \((x-r)^{2} +(y-r)^{2}=r^{2}\)  is the equation for the table's diameter.

The distance between the mark at the table's edge and one wall is 18 inches and 25 inches, respectively. Consequently, this point's coordinates are (18, 25). It might alternatively be (25, 18), but our calculations would not be affected.

Given that the mark is on the edge, it satisfies the criteria established by the table's circumference equation.

\((18-r)^{2} +(25-r)^{2} =x^{2}\)

\(324-36r+r^{2} +625-50r+x^{2} =x^{2}\)

\(r^{2} -86r+949=0\)

(r−13)(r−73)=0

r=13 inches or r=73 inches

As a result, the table's radius can be either 13 inches or 73 inches.

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Therefore, the value of n when rounded up to the nearest integer is 25.

Here is the solution to the given problem:

To find the value of n, we can use the following formula for Future Value (FV):

FV = PMT * [(1+i)^n - 1] / i, where, FV is future value, PMT is the periodic payment, i is the interest rate per period and n is the total number of periods.

Therefore, we have,

FV = 9000,

i = 0.04,

PMT = 600

Using the above formula and substituting the given values, we get,

9000 = 600 * [(1+0.04)^n - 1] / 0.04 (dividing both sides by 0.04)

9000 / 0.04 = 600 * [(1+0.04)^n - 1]

225000 = 600 * [(1.04)^n - 1]375

= (1.04)^n - 1(1.04)^n

= 375 + 1

= 376n

= log (1.04) (376)

Using a calculator, we can evaluate the value of n as follows:

n = log (1.04) (376)

= 24.08 (rounded to two decimal places)

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Answer:

\((B)\dfrac{y+1}{y-1}\)

Step-by-step explanation:

We are to find an equivalent expression for:

\(\dfrac{1+\frac{1}{y} }{1-\frac{1}{y}}\)

Step 1: Combine the terms in the numerator into one fraction. Do the same for the denominator.

\(=\dfrac{\frac{y+1}{y} }{\frac{y-1}{y}}\)

Step 2: Write on a straight line and simplify

\(=\dfrac{y+1}{y} \div \dfrac{y-1}{y}\\=\dfrac{y+1}{y} \times \dfrac{y}{y-1}\\=\dfrac{y+1}{y-1}\)

The correct option is B.

This question is based on the solving the fraction. Therefore, the correct option is B, that is \(= {\dfrac{y+1}{y-1}\) is  equivalent to the following complex fraction.

Given:

Expression:

\(\dfrac{1+\frac{1}{y} }{1-\frac{1}{y} }\)

We need to calculate the expression which is equivalent to given complex fraction.

According to the question,

Firstly, take LCM of numerator and denominator.

We get,

\(= \dfrac{\dfrac{y+1}{y} }{\dfrac{y-1}{y} }\)

Now, above expression can be written as follows. Solve it further,

\(= {\dfrac{y+1}{y} }\times{\dfrac{y}{y-1} }\)

Therefore, we get,

\(= {\dfrac{y+1}{y-1}\)

Therefore, the correct option is B, that is \(= {\dfrac{y+1}{y-1}\) is  equivalent to the following complex fraction.

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